diff --git a/gtk2_ardour/audio_clip_editor.cc b/gtk2_ardour/audio_clip_editor.cc
index 81546ad4e6..e6913305ca 100644
--- a/gtk2_ardour/audio_clip_editor.cc
+++ b/gtk2_ardour/audio_clip_editor.cc
@@ -402,7 +402,7 @@ AudioClipEditor::drop_waves ()
 void
 AudioClipEditor::set_trigger (TriggerReference& tr)
 {
-	/* NO LOCAL TEMPO SCOPE */
+	EC_LOCAL_TEMPO_SCOPE;
 
 	if (tr == ref) {
 		return;
@@ -418,7 +418,7 @@ AudioClipEditor::set_trigger (TriggerReference& tr)
 void
 AudioClipEditor::set_region (std::shared_ptr<Region> region)
 {
-	/* NO LOCAL TEMPO SCOPE */
+	EC_LOCAL_TEMPO_SCOPE;
 
 	CueEditor::set_region (region);
 
diff --git a/gtk2_ardour/cue_editor.cc b/gtk2_ardour/cue_editor.cc
index 5210e67036..b890e3743b 100644
--- a/gtk2_ardour/cue_editor.cc
+++ b/gtk2_ardour/cue_editor.cc
@@ -1158,7 +1158,7 @@ CueEditor::set_track (std::shared_ptr<Track> t)
 void
 CueEditor::set_region (std::shared_ptr<Region> r)
 {
-	/* NO LOCAL TEMPO SCOPE HERE */
+	EC_LOCAL_TEMPO_SCOPE;
 
 	if (r == _region) {
 		return;
@@ -1218,7 +1218,7 @@ CueEditor::set_from_rsu (RegionUISettings& rsu)
 void
 CueEditor::set_trigger (TriggerReference& tref)
 {
-	/* NO TEMPO SCOPE */
+	EC_LOCAL_TEMPO_SCOPE;
 
 	if (tref == ref) {
 		return;
@@ -1405,7 +1405,7 @@ CueEditor::idle_data_captured ()
 void
 CueEditor::unset (bool trigger_too)
 {
-	/* NO LOCAL TEMPO SCOPE HERE */
+	EC_LOCAL_TEMPO_SCOPE;
 
 	if (_local_tempo_map) {
 		end_local_tempo_map ();
diff --git a/gtk2_ardour/pianoroll.cc b/gtk2_ardour/pianoroll.cc
index b09cbbc989..7d395bee1b 100644
--- a/gtk2_ardour/pianoroll.cc
+++ b/gtk2_ardour/pianoroll.cc
@@ -1378,7 +1378,7 @@ Pianoroll::region_prop_change (PBD::PropertyChange const & what_changed)
 void
 Pianoroll::set_trigger (TriggerReference & tref)
 {
-	/* NO LOCAL TEMPO SCOPE */
+	EC_LOCAL_TEMPO_SCOPE;
 
 	if (ref == tref) {
 		return;